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West Elk Mine Due to low permeabilities within the Rollins Sandstone and the B Seam, local groundwater flow is controlled by secondary porosity (i.e, fractures). However, there is a general regional trend within these formations for the groundwater to flow in the direction of the northeast dip. No private, commercial, or industrial water supply wells other than those owned by MCC aze presently located within the permit azea based on a February 2003 review of the Colorado State Engineer's Office (SEO) well permit database. A summazy of the permitted wells within the permit azea are provided in Table 3A. This table summarizes the well location, permit number, owner's name, reported well yield and permitted use for each of the wells listed. Of the 29 permitted wells within the West Elk Mine permit boundary, 22 are permitted to MCC or its mining company predecessors. The remaining seven wells are permitted to private individuals. Of these seven permits, three have expired. Each of the remaining four wells is now under the ownership of MCC and is no longer in use. Reported well yields are generally low (less than 2 gpm with one monitoring well reporting 4 gpm) throughout the area except in alluvial wells located along the North Fork in Sections 9, 10 and 11 where reported yields range from 9.7 to 30 gpm. Table 3A Permitted Well Summary 01 West Elk Mine Permit Boundary Area Gunnison County, Colorado Permit Permit Activity Activity Twn. Rog. Sec. Q[r. Qtr. Coordinates ppliceat City Use Aquifer Depth Yield Wtr. No. Sutfix Code Date 40 160 /S line E/R' liae Code Level 31713 MH MH 9/11/1997 13S 90W 09 SW SE 0000 0000 MOUNTAIN COAL CO CEDAREDGE moo GW 146 - 122 32016 MH MH 10/15/1997 13S 90W 09 SW SE 0000 0000 MOUNTAIN COAL CO CEDAREDGE mon GW 63 015 50 642 MH MH 189/1998 13S 90W 09 SW SE 0000 0000 MOUNTAIN COAL CO CEDAREDGE mon GW 89 0.25 84 643 MH MH 28/1998 13S 90W 09 SE SE 0000 0000 MOUNTAIN COAL CO CEDAREDGE moo GW 55 1.00 20 25748 F NP 1086/1981 135 90W 09 SE SE 0000 0000 CO COAL CO SOMERSET dom GW - - - 174726 NP 10/15/1993 13S 90W 10 SN' SW 1285 SW MOUNTAIN COAL CO SOMERSET mon KMV - 0.00 - 43469 13S 90W 10 NE SE 0000 0000 STERN SLOPE CARBON INC SALT LAKE dom GW 63 28.00 29 80254 13S 90W 10 SE SW SOOS 2470W ~ ORRIS KEN SOMERSET dom GW 37 30.00 7 182236 NP 885/1994 13S 90W 11 NW SE 21005 2000E MOUNTAIN COAL COMPANY SOMERSET moa GW - 0.00 - 2146 13S 90W 11 NW SE 0000 0000 CHAMPION COAL MNG CO SOMERSET dom GW 55 20.00 51 23918 F 138 90W 11 NW SE 2815N 1560E ESTERN SLOPE CARBON INC SALT LK CTY ind GW 10 9.70 - 31714 MH MH 9/11/199'7 13S 90W 15 NW NW 0000 0000 MOUNTAIN COAL CO CEDAREDGE moa GW 83 77 182237 NP 885/1994 13S 90W 15 SE SW 1505 2200W MOUNTAIN COAL COMPANY SOMERSET moa GW - 0.00 - 31715 MH MH 9/11/1997 135 90W 16 NW NE 0000 0000 MOUNTAIN COAL CO CEDAREDGE mon GW 191 4.00 106 32015 MH MH 10/15!1997 138 90W 16 NE NE 0000 0000 MOUNTAIN COAL CO CEDAREDGE moa GW 26 - 6 32216 MH MH 11/4/1997 13S 90W 16 SE NW 0000 0000 MOUNTAIN COAL CO CEDAREDGE mon GW - - - 32412 MH MH 12N/1997 13S 90W I6 NE NE 0000 0000 MOUNTAIN COAL CO CEDAREDGE moa GW 166 1.00 158 32413 MH MH 12/9/1997 13S 90W 16 NW NE 0000 0000 MOUNTAIN COAL CO CEDAREDGE moa GW 115 - 112 90413 NP 481/1977 13S 90W 16 NE NE 0000 0000 ROSSHB DELTA stoc GW - - - 90414 NP 481/1977 13S 90W 16 NE SE 0000 0000 OSSHB DELTA sloe GW - - - 189368 NP 682/1995 13S 90W 26 SE SW SOS 1900E MOLNfAIN COAL COMPANY SOMERSET moa GW - - - 182238 NP 885/1994 13S 90W 27 NW NE 350N 2450E MOUNTAIN COAL COMPANY SOMERSET moo GW - 0.00 - 182239 NP 885/1994 13S 90W 29 NE SE 16005 750E OUNTAIN COAL COMPANY SOMERSET moa GW - 0.00 - 182240 NP 885/1994 13S 90W 29 SE NW 2200N 1800W MOUNTAIN COAL COMPANY SOMERSET mon KMV - 0.00 - 92017 EP 6(7/1977 13S 90W 32 SW SW 250S 450W INDERGARD LAWRENCE GRAND JCTN. stoc GW - - 174725 NP 10/15/1993 13S 91W 25 NE NW 20N 2500W MOUNTAIN COAL CO SOMERSET moo KMV - 0.00 - 92018 EP 6!7/I977 14S 91W 04 SW SR' SSOS 600W INDERGARD LAWRENCE CRAND JCTN, sloe GW - - - 92019 145 91W 08 SW NE 1900N 2000E INDERGARD LAWRENCE GRAND JCTN. sloe GW 140 2.00 110 016 EP 6(7/1977 14S 91W 09 NE SE 20005 500E INDERGARD LAWRENCE GRAND JCTN. stoc GW - - - I~ r 2.04 -5J Revised June 2005 PRIG, March 2006; Rev. Apri! 2006 PRlO